On the dynamics and composition of the high-latitude thermosphere

Details On the dynamics and composition of the high-latitude thermosphere On the dynamics and composition of the high-latitude thermosphere

Sep 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991jatp...53..797k&link_type=abstract

Journal of Atmospheric and Terrestrial Physics (ISSN 0021-9169), vol. 53, Sept. 1991, p. 797-803, 805-815.

Physics

8

Atmospheric Composition, Atmospheric Physics, Gas-Ion Interactions, Polar Regions, Thermosphere, Winds Aloft, Atmospheric General Circulation Models, Atmospheric Models, Atmospheric Temperature, Dynamics Explorer 2 Satellite, Ionospheric Drift, Magnetosphere-Ionosphere Coupling

Scientific paper

An overview is presented of some of the more recent progress made in the study of the dynamics and composition of the high-latitude thermosphere at the University of Michigan, with emphasis on the interpretation of experimental measurements made from the DE-2 spacecraft and from ground-based observatories in Greenland. Attention is focused on perturbations to the solar-driven upper thermospheric winds, temperatures, and compositional structures due to forcing associated with high-latitude ionosphere-thermosphere coupling processes. The nature of the experimental measurements made on DE-2 is discussed. The vector spherical harmonic model, some sample results, and experiment-model comparisons are described using both satellite and ground-based measurements of high-latitude thermosphere dynamics. Considerations pertaining to compositional perturbations at high latitudes are presented.

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